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447130 (2004 XJ9)
Classification: Main-belt Asteroid          SPK-ID: 2447130
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2978538767374078 7.0773e-08  
a 3.17593620523518 3.3843e-08 au
q 2.22997129423519 2.2992e-07 au
i 11.86835118456414 9.5587e-06 deg
node 264.5207857046389 3.5018e-05 deg
peri 102.6544651040349 3.9109e-05 deg
M 308.8945167832645 1.45e-05 deg
tp 2459293.974979145281
(2021-Mar-20.47497915)
8.5922e-05 TDB
period 2067.312269492516
5.66
3.3044e-05
9.047e-08
d
yr
n .1741391493256957 2.7834e-09 deg/d
Q 4.12190111623517 4.3923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      7934 days (21.72 yr)  
   first obs. used      1998-10-29  
   last obs. used      2020-07-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49994  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:54:16  

Additional Information
 Earth MOID = 1.26561 au 
 Jupiter MOID = 1.69697 au 
 T_jup = 3.098 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO437739  

447130 (2004 XJ9)          Discovered 2004-Dec-02 by CSS at Catalina
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Alternate Designations
 2004 XJ9 = 2009 PP5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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